Metwally, Y., Mahmoud, A. and Taha, W. 2021. Metoprolol versus low-dose sotalol for prevention of high-risk post coronary artery bypass grafting atrial fibrillation. The Egyptian Cardiothoracic Surgeon. 3, 2 (Mar. 2021), 63 - 69. DOI:https://doi.org/10.35810/ects.v3i2.179.